EP0550421A3 - Optical shunt device - Google Patents

Optical shunt device Download PDF

Info

Publication number
EP0550421A3
EP0550421A3 EP9393200764A EP93200764A EP0550421A3 EP 0550421 A3 EP0550421 A3 EP 0550421A3 EP 9393200764 A EP9393200764 A EP 9393200764A EP 93200764 A EP93200764 A EP 93200764A EP 0550421 A3 EP0550421 A3 EP 0550421A3
Authority
EP
European Patent Office
Prior art keywords
light
receiving
signal
transmitting
optical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP9393200764A
Other versions
EP0550421B1 (en
EP0550421A2 (en
Inventor
Toshiyasu Tanaka
Toyohiro Kobayashi
Shouji Mukohara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Du Pont Opto Electronics KK
Original Assignee
Mitsubishi Electric Corp
Du Pont Opto Electronics KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP63174163A external-priority patent/JP2765859B2/en
Priority claimed from JP63174164A external-priority patent/JPH0223730A/en
Application filed by Mitsubishi Electric Corp, Du Pont Opto Electronics KK filed Critical Mitsubishi Electric Corp
Publication of EP0550421A2 publication Critical patent/EP0550421A2/en
Publication of EP0550421A3 publication Critical patent/EP0550421A3/en
Application granted granted Critical
Publication of EP0550421B1 publication Critical patent/EP0550421B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4246—Bidirectionally operating package structures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/27—Arrangements for networking
    • H04B10/271—Combination of different networks, e.g. star and ring configuration in the same network or two ring networks interconnected
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/27—Arrangements for networking
    • H04B10/278—Bus-type networks
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/35—Optical coupling means having switching means
    • G02B6/354—Switching arrangements, i.e. number of input/output ports and interconnection types
    • G02B6/3562—Switch of the bypass type, i.e. enabling a change of path in a network, e.g. to bypass a failed element in the network

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Optical Communication System (AREA)
  • Laser Surgery Devices (AREA)
  • Seal Device For Vehicle (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Electronic Switches (AREA)
  • Window Of Vehicle (AREA)
  • Glass Compositions (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Photo Coupler, Interrupter, Optical-To-Optical Conversion Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

An optical shunt device in which a pair of connecting ends (22, 23) for being connected to optical communication fiber sections (11) are divided into three systems. The first of the three systems is a passing-through light conduction path (19) through which light signals in two opposite directions are allowed to pass through between the connecting ends. The second of the three systems is a receiving light conduction path (20) having a first light-receiving end (20a) and a second light-receiving end (20b) each receiving a light signal from the connecting ends (22, 23). The third light path (21) has a first light-transmitting end (21a) and a second light-transmitting end (21b) each transmitting a light signal to the connecting ends. The optical shunt device also comprises a photo-electric conversion unit (B) including a light-receiving element (13) disposed at the first and second light-receiving ends (20a, 20b) for receiving a light signal from the fist light-receiving end (20a) and the second light-receiving end (20b) of the second light path (20) and converting it into an electric signal, an amplifier circuit (14) for amplifying the electric signal from the light-receiving element (13), and a light-emitting element (17) disposed at the first and second light-transmitting ends (21a, 21b) for converting the electric signal into an optical signal to supply the optical signal to the first and second light-transmitting ends. <IMAGE> <IMAGE>
EP93200764A 1988-07-13 1989-07-12 Optical shunt device Expired - Lifetime EP0550421B1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP174163/88 1988-07-13
JP174164/88 1988-07-13
JP63174163A JP2765859B2 (en) 1988-07-13 1988-07-13 Optical communication device
JP63174164A JPH0223730A (en) 1988-07-13 1988-07-13 Light-branching unit
EP89908254A EP0378704B1 (en) 1988-07-13 1989-07-12 Optical shunt device

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP89908254.9 Division 1989-07-12
EP89908254A Division EP0378704B1 (en) 1988-07-13 1989-07-12 Optical shunt device

Publications (3)

Publication Number Publication Date
EP0550421A2 EP0550421A2 (en) 1993-07-07
EP0550421A3 true EP0550421A3 (en) 1994-08-24
EP0550421B1 EP0550421B1 (en) 1999-02-24

Family

ID=26495861

Family Applications (2)

Application Number Title Priority Date Filing Date
EP93200764A Expired - Lifetime EP0550421B1 (en) 1988-07-13 1989-07-12 Optical shunt device
EP89908254A Expired - Lifetime EP0378704B1 (en) 1988-07-13 1989-07-12 Optical shunt device

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP89908254A Expired - Lifetime EP0378704B1 (en) 1988-07-13 1989-07-12 Optical shunt device

Country Status (10)

Country Link
US (1) US5133031A (en)
EP (2) EP0550421B1 (en)
KR (1) KR920009386B1 (en)
AT (2) ATE176969T1 (en)
AU (1) AU614861B2 (en)
CA (1) CA1312119C (en)
DE (2) DE68925811T2 (en)
ES (1) ES2014778A6 (en)
NO (1) NO901140D0 (en)
WO (1) WO1990000838A1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4040719A1 (en) * 1990-12-19 1992-06-25 Bosch Siemens Hausgeraete BIDIRECTIONAL OPTICAL DATA TRANSFER SYSTEM
JPH1068828A (en) * 1996-08-29 1998-03-10 Mitsubishi Gas Chem Co Inc Optical waveguide module having trunk line waveguide and transmission system
US5898801A (en) 1998-01-29 1999-04-27 Lockheed Martin Corporation Optical transport system
KR100357255B1 (en) * 2000-03-11 2002-10-18 옵티시스 주식회사 Apparatus for transmitting multi-channel and optical communication module
US20020101874A1 (en) * 2000-11-21 2002-08-01 Whittaker G. Allan Physical layer transparent transport information encapsulation methods and systems
US7085497B2 (en) 2002-04-03 2006-08-01 Lockheed Martin Corporation Vehicular communication system
US20040076434A1 (en) * 2002-09-27 2004-04-22 Whittaker G. Allan Optical distribution network for RF and other analog signals
US6912339B2 (en) * 2002-09-27 2005-06-28 Lockheed Martin Corporation Optical interface devices having balanced amplification
US7283480B1 (en) 2002-11-12 2007-10-16 Lockheed Martin Corporation Network system health monitoring using cantor set signals
US7349629B1 (en) 2002-11-26 2008-03-25 Lockheed Martin Corporation Methods and systems for creating a digital interconnect fabric
US7424228B1 (en) 2003-03-31 2008-09-09 Lockheed Martin Corporation High dynamic range radio frequency to optical link
US7570887B2 (en) * 2003-03-31 2009-08-04 Lockheed Martin Corporation Optical network interface systems and devices
US7440699B1 (en) 2004-06-28 2008-10-21 Lockheed Martin Corporation Systems, devices and methods for transmitting and receiving signals on an optical network
EP2727271B1 (en) * 2011-06-28 2018-12-05 Xieon Networks S.à r.l. Optical communication system, device and method for data processing in an optical network

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56111819A (en) * 1980-02-08 1981-09-03 Mitsubishi Electric Corp Optical circuit
DE8508153U1 (en) * 1985-03-19 1985-04-25 Schönebeck, Bodo, 7200 Tuttlingen Fiber optic transmission system interface with optical loop coupler for data transmission systems with fiber optic cables

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4072399A (en) * 1973-07-05 1978-02-07 Corning Glass Works Passive optical coupler
CH607500A5 (en) * 1976-03-18 1978-12-29 Patelhold Patentverwertung
US4234968A (en) * 1978-09-05 1980-11-18 Ncr Corporation Optical coupler module in a distributed processing system
FR2448259A1 (en) * 1979-02-02 1980-08-29 Souriau & Cie ACTIVE COUPLER BETWEEN AN OPTICAL BUS LINE AND ONE OF THE SUBSCRIBERS, AND "BUS" LINE COMPRISING SUCH ACTIVE COUPLERS
JPS60117832A (en) * 1983-11-29 1985-06-25 Toshiba Corp Transmission/reception interface for two-way optical transmission
US4732446A (en) * 1985-10-02 1988-03-22 Lamar Gipson Electrical circuit and optical data buss
KR910009667B1 (en) * 1987-10-29 1991-11-25 미츠비시 덴키 가부시키가이샤 Optical communications apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56111819A (en) * 1980-02-08 1981-09-03 Mitsubishi Electric Corp Optical circuit
DE8508153U1 (en) * 1985-03-19 1985-04-25 Schönebeck, Bodo, 7200 Tuttlingen Fiber optic transmission system interface with optical loop coupler for data transmission systems with fiber optic cables

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
KELLER ET AL: "Overlay optical fibre local area network", IEEE GLOBAL TELECOMMUNICATIONS CONFERENCE, CONFERENCE RECORD, vol. 3, December 1985 (1985-12-01), NEW ORLEANS, US, pages 3921 - 3925 *
PATENT ABSTRACTS OF JAPAN vol. 5, no. 185 (P - 91) 1981 *

Also Published As

Publication number Publication date
NO901140L (en) 1990-03-12
AU614861B2 (en) 1991-09-12
EP0550421B1 (en) 1999-02-24
KR920009386B1 (en) 1992-10-15
WO1990000838A1 (en) 1990-01-25
EP0378704B1 (en) 1996-02-28
EP0378704A1 (en) 1990-07-25
EP0550421A2 (en) 1993-07-07
DE68928935T2 (en) 1999-09-30
DE68925811T2 (en) 1996-10-02
US5133031A (en) 1992-07-21
AU3876189A (en) 1990-02-05
CA1312119C (en) 1992-12-29
DE68925811D1 (en) 1996-04-04
KR900702675A (en) 1990-12-08
DE68928935D1 (en) 1999-04-01
ATE176969T1 (en) 1999-03-15
ES2014778A6 (en) 1990-07-16
ATE134807T1 (en) 1996-03-15
NO901140D0 (en) 1990-03-12

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